Hyper white light for a stylish appearance

With the OSRAM H4 Cool Blue Boost bulb set, you equip your car with hyper white light with a color temperature of up to 5500K. This provides a modern LED look that gives your vehicle a sporty and elegant appearance.

Increased brightness for better visibility

These halogen bulbs offer up to 50% more light than standard halogen bulbs. This results in a brighter and farther-reaching beam, allowing you to detect obstacles on the road more quickly and drive more safely.

Technical specifications

• Type: H4
• Nominal voltage: 12V
• Nominal power: 100/90W
• Color temperature: 5500K
• Luminous flux: 1600/760 lm
• Lifetime B3: 100/200 hours
• Lifetime Tc: 200/400 hours
• Base: P43t

Off-road use

Note: the OSRAM Cool Blue Boost bulbs are designed for off-road use and do not have ECE approval. Use on public roads may result in withdrawal of vehicle registration and loss of insurance coverage. Check local regulations before installing these bulbs.

Installation and compatibility

The H4 base makes these bulbs suitable for vehicles compatible with H4 bulbs. Thanks to the standard dimensions of 87 mm length and 17 mm diameter, they easily fit into most headlamp housings.

Durability and reliability

OSRAM is known for its high-quality products. The Cool Blue Boost bulbs are made with durable materials and advanced technologies, resulting in reliable performance throughout the bulb's lifetime.

Key benefits at a glance

• Hyper white light with a color temperature up to 5500K
• Up to 50% more light output than standard halogen bulbs
• Stylish LED look for your car
• Suitable for off-road applications
• Easy installation thanks to standard H4 base

With the OSRAM H4 Cool Blue Boost bulb set, you not only give your car a modern look, but also improve your visibility and safety while driving.